/* Source-led walkthrough, independent from the HolyCalm app UI. */
.engine-page{--color-bg:#0b0b12;--color-bg-alt:#15131f;--color-text:#f5f3ff;--color-text-sec:#bcb7ce;--color-accent:#d5ff8d;--color-border:#393247;background:var(--color-bg);color:var(--color-text)}
.engine-page .nav{background:#0b0b12;border-bottom:1px solid #25212f;backdrop-filter:none}.engine-page .nav__logo,.engine-page .nav__link{color:var(--color-text)}.engine-page .logo-dot{color:var(--color-accent)}
.engine-page a:focus-visible,.engine-page :is(summary,.reading-heading):focus-visible{outline:2px solid var(--color-accent);outline-offset:6px}.engine-page .skip-link{background:var(--color-accent);color:#111}
.engine-hero{padding-top:140px;padding-bottom:70px}.engine-back{display:inline-block;font-size:14px;margin-bottom:56px}.engine-label{font-size:14px;color:#c5a9ff;margin-bottom:20px}.engine-hero h1{font-size:clamp(44px,7.4vw,106px);line-height:1.03;font-weight:500;letter-spacing:-.045em;margin-bottom:32px}.engine-hero h1 span{color:#cfb6ff}.engine-lead{font-size:clamp(18px,2vw,24px);max-width:52ch;color:var(--color-text-sec);line-height:1.55}.engine-meta{display:flex;flex-wrap:wrap;gap:18px 32px;font-size:13px;margin-top:36px;color:var(--color-text-sec)}
.engine-section{padding-block:70px}.engine-section h2{font-size:clamp(30px,4vw,52px);font-weight:500;letter-spacing:-.025em;line-height:1.12}.engine-intro{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;border-top:1px solid var(--color-border)}.engine-intro p{margin-bottom:20px}.engine-muted{color:var(--color-text-sec)}.engine-section-heading{display:grid;grid-template-columns:1.3fr 1fr;gap:70px;align-items:end;margin-bottom:48px}.engine-section-heading>p{color:var(--color-text-sec);max-width:48ch}.engine-section-heading .engine-label{margin-bottom:14px}
.engine-architecture{background:radial-gradient(ellipse at 50% 35%,#25193c 0%,#100e18 60%);border-block:1px solid var(--color-border)}.engine-map{width:min(960px,calc(100% - 40px));margin-inline:auto}.map-row{display:grid;grid-template-columns:1fr 1fr;gap:28px}.map-source{padding:24px 28px;border-top:2px solid #9f77da;background:#16121f}.map-source>span,.node-kind{display:block;font-size:13px;color:#d2b6ff;margin-bottom:10px}.map-source strong{font-family:var(--font-display);font-size:24px;font-weight:500}.map-source p{font-size:14px;color:var(--color-text-sec);margin-top:6px}.map-connector{height:64px;display:grid;place-content:center;font-size:32px;color:#b28fe7}.map-node{padding:30px 34px;border:1px solid #755a96;border-radius:12px;background:#1b1625}.map-node h3{font-size:clamp(22px,2.5vw,30px);font-weight:500;letter-spacing:-.015em;margin-bottom:12px;line-height:1.2}.map-node p{max-width:65ch;color:#c9c2d8;font-size:15px;line-height:1.65}.map-fields{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.map-fields span{padding:4px 12px;background:#2e2241;border-radius:4px;font-size:12px;color:#e4d6f7}.map-optional{border-style:dashed;background:#15121c}.node-output{display:block;color:#d4c1f2;font-size:12px;margin-top:22px;padding-top:16px;border-top:1px solid #40314f}.map-join{display:flex;justify-content:space-around;align-items:center;gap:12px;min-height:76px;font-size:13px;color:#d4c1f2;text-align:center}.map-join span{font-size:30px}.map-writer,.map-critic,.map-human{max-width:720px;margin-inline:auto}.map-critic{border-color:#ad84e6;background:#251a35}.map-human{border-color:#b7d88a;background:#1a2217}.map-human .node-kind,.map-human .node-output{color:var(--color-accent)}.map-human .node-output{border-color:#465734}.engine-map figcaption{max-width:76ch;margin:36px auto 0;font-size:13px;color:var(--color-text-sec);line-height:1.7}
.routing-grid{display:grid;grid-template-columns:1fr 1fr 1fr;border-block:1px solid var(--color-border)}.routing-grid>div{padding:28px;border-right:1px solid var(--color-border)}.routing-grid>div:first-child{padding-left:0}.routing-grid>div:last-child{border-right:0}.route-topic{font-size:15px;color:#ccb2f3}.routing-grid span{display:block;margin:18px 0;color:#8f739f}.routing-grid h3{font-size:23px;font-weight:500;margin-bottom:12px}.routing-grid div>p:last-child{color:var(--color-text-sec);font-size:14px}.engine-note{font-size:13px;color:var(--color-text-sec);margin-top:20px;max-width:85ch}
.engine-contracts :is(details,.reading-block){border-top:1px solid var(--color-border)}.engine-contracts :is(details,.reading-block):last-child{border-bottom:1px solid var(--color-border)}.engine-contracts :is(summary,.reading-heading){cursor:pointer;padding:26px 4px;display:grid;grid-template-columns:1fr 1fr 24px;gap:20px;align-items:center;list-style:none}.engine-contracts :is(summary,.reading-heading)::-webkit-details-marker{display:none}.engine-contracts :is(summary,.reading-heading):after{content:'+';font-size:24px;color:var(--color-accent)}.engine-contracts :is(details[open],.reading-block) :is(summary,.reading-heading):after{content:'−'}.engine-contracts :is(summary,.reading-heading) span:first-child{font-family:var(--font-display);font-size:26px}.engine-contracts :is(summary,.reading-heading) span:nth-child(2){color:var(--color-text-sec);font-size:14px}.contract-body{padding:8px 0 32px;max-width:820px}.contract-body>p:first-child{color:var(--color-text-sec);font-size:15px;line-height:1.8}.contract-body strong{color:var(--color-text);font-weight:500}.contract-body blockquote{margin:24px 0 14px;padding:24px 28px;border-left:3px solid #b38bed;background:#1a1424;font-size:clamp(18px,2vw,23px);line-height:1.5}.source-label{font-size:12px;color:#bcb2ca;line-height:1.7}
.rubric{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}.rubric>div{border-top:3px solid #8c64bb;padding-top:20px}.rubric span{font-family:var(--font-display);font-size:22px}.rubric p{font-size:14px;color:var(--color-text-sec);margin-top:12px}.engine-callout{margin-top:36px;padding:28px;border:1px solid var(--color-border);border-radius:8px}.engine-callout h3{font-size:22px;font-weight:500;margin-bottom:12px}.engine-callout p{max-width:82ch;color:var(--color-text-sec);font-size:15px}.engine-decisions{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;border-top:1px solid var(--color-border)}.engine-decisions article+article{margin-top:30px}.engine-decisions h3{font-size:24px;font-weight:500;margin-bottom:12px}.engine-decisions p,.engine-limits>p{color:var(--color-text-sec);max-width:75ch}.engine-limits{border-top:1px solid var(--color-border)}.engine-limits h2{margin-bottom:28px}.engine-limits>p{margin-bottom:20px}.engine-limits .source-label{margin-top:32px}.engine-page .footer{background:#101016;border-top:1px solid var(--color-border)}.engine-page .footer__headline{color:var(--color-text)}
@media(max-width:800px){.engine-intro,.engine-section-heading,.engine-decisions{grid-template-columns:1fr;gap:28px}.engine-section{padding-block:48px}.engine-hero{padding-top:125px;padding-bottom:48px}.engine-back{margin-bottom:36px}.rubric{grid-template-columns:repeat(2,1fr);gap:28px}.routing-grid{grid-template-columns:1fr}.routing-grid>div,.routing-grid>div:first-child{padding:24px 0;border-right:0;border-bottom:1px solid var(--color-border)}.routing-grid>div:last-child{border-bottom:0}}
@media(max-width:560px){.map-row{grid-template-columns:1fr;gap:16px}.map-node,.map-source{padding:24px}.map-connector{height:48px}.map-join{font-size:12px}.engine-contracts :is(summary,.reading-heading){grid-template-columns:1fr 24px;gap:8px}.engine-contracts :is(summary,.reading-heading) span:nth-child(2){grid-column:1;grid-row:2}.engine-contracts :is(summary,.reading-heading):after{grid-column:2;grid-row:1 / 3}.contract-body blockquote{padding:20px}.engine-meta{gap:14px 20px}.engine-map{width:calc(100% - 32px)}.engine-hero h1{font-size:clamp(39px,10vw,56px)}.rubric{gap:24px 18px}}
@media(prefers-reduced-motion:reduce){.engine-page{scroll-behavior:auto}.engine-page a{transition:none}}